Description

Key Benefits

Provides dual Class I (Type 1) and Class II (Type 2) surge protection
Handles high surge currents up to 50 kA (8/20 μs) and 12.5 kA impulse current (10/350 μs)
Features integrated thermal disconnection for enhanced safety
Includes visual fault indication with green/not-green flag system
Modular pluggable design for easy installation and maintenance
Mounts on standard 35 mm DIN rails for flexible integration
Certified to UL 1449 4th Edition and IEC/EN 61643-11 standards

PV Installations Ideal for protecting solar inverters and combiner boxes from surges.

Commercial & Industrial Suitable for TT and TN-S network systems in commercial environments.

Code Compliant Sites Meets NEC and UL requirements for surge protection devices.

Spec	Value
Model	DC_SPD_KIT7_T1T2
Nominal Voltage	277 V AC
Max Operating Voltage (L-N / N-PE)	350 V / 305 V
Nominal Discharge Current (8/20 μs)	20 kA / 40 kA
Max Discharge Current (8/20 μs)	50 kA / 65 kA
Impulse Discharge Current (10/350 μs)	12.5 kA (L-N / N-PE)
Voltage Protection Level	1750 V / 1500 V
Short-Circuit Current Rating (AC)	25 kA / 50 kA
Response Time	< 25 ns / < 100 ns
Operating Temperature	-40°F to +185°F (-40°C to +85°C)
Protection Class	Class I + II / Type 1 + 2
Mounting	35 mm DIN Rail
IP Rating	IP20 (built-in)
Weight	1.397 lbs
Housing Material	Thermoplastic, UL 94 V-0
Certifications	UL 1449 4th Ed, IEC/EN 61643-11

Limited Product Warranty Backed by SMA’s quality assurance and warranty coverage.

Important: Warranty terms may vary based on installation conditions and system configuration. See manufacturer documentation for full details.

The SMA DC SPD Kit 7 T1/T2 is engineered for reliable surge protection in photovoltaic and AC electrical systems.

It combines Class I and Class II protection levels to safeguard sensitive equipment from high-energy transient surges.

Integrated thermal disconnection enhances safety by disconnecting the device in case of internal faults.

The visual fault indicator allows quick and easy status monitoring without the need for specialized tools.

Its modular, pluggable design simplifies installation and replacement, reducing downtime and maintenance costs.

Designed for mounting on standard 35 mm DIN rails, it fits seamlessly into existing sub-distribution boards.

The device uses high-energy Metal Oxide Varistors (MOVs) and Gas Discharge Tubes (GDTs) for effective surge suppression.

Certified to UL 1449 4th Edition and IEC/EN 61643-11 standards, it meets stringent safety and performance requirements.

Operating temperature range from -40°C to +85°C ensures reliable function in diverse environments.

SMA Solar Technology AG is a trusted German manufacturer known for innovative and durable solar energy solutions.

Weight	0.63 kg

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